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Teratornithidae
Teratornithidae is an extinct family of very large birds of prey that lived in North and South America from the Late Oligocene to Late Pleistocene. They include some of the largest known flying birds. Its members are known as teratorns. Taxonomy Teratornithidae are related to New World vultures (Cathartidae, syn. Vulturidae). The fact that both of the oldest taxa in the group, ''Taubatornis'' and ''Argentavis'', originate from South America suggests that the group as a whole also evolved here, only migrating to North America in the latter part of the Cenozoic. So far, seven species in six genera have been identified: * ''Teratornis'' ** ''Teratornis merriami''. This is by far the best-known species. Over a hundred specimens have been found, mostly from the La Brea Tar Pits. It stood about tall with an estimated wingspan of , and weighed about ; making it about a third bigger than extant condors. It became extinct at the end of Pleistocene, some 10,000 years ago. ** ''Teratorn ...
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Argentavis
''Argentavis'' is an extinct genus of teratornithid known from three sites in the Epecuén and Andalhualá Formations in central and northwestern Argentina dating to the Late Miocene (Huayquerian). The type species, ''A. magnificens'', is sometimes called the giant teratorn. ''Argentavis'' was among the largest flying birds to ever exist, holding the record for heaviest flying bird, although it was surpassed in wingspan after the 2014 description of '' Pelagornis sandersi,'' which is estimated to have possessed wings some 20% longer than those of ''Argentavis''.''Argentavis''
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History of discovery

The first remains of ''Argentavis'' were found during an exp ...
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Aiolornis
''Aiolornis incredibilis'' is an extinct species of teratorn bird from the western United States. Only fragmentary remains have been found, which are dated between the Early Pliocene (Zanclean) and Late Pleistocene. First described as ''Teratornis incredibilis'' by Howard in 1952 based on a cuneiform bone, the species has been moved to the new genus ''Aiolornis'' by Campbell, Scott and Springer in 1999. The generic name is derived from the ancient Greek words ''aiolus'' and ''ornis''. Aiolus refers to the Greek god of the wind, and ''ornis'' means "bird". The specific name ''incredibilis'' means 'incredible'. ''A. incredibilis'' is lesser-known than its close relative, ''Teratornis merriami'', even though ''A. incredibilis'' was significantly larger. It presumably became extinct at the same time as the other megafauna in North America. History of discovery The first ''Aiolornis'' material, described in 1952, was a cuneiform bone found in Smith Creek Cave, White Pine County, ...
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Oscaravis
''Oscaravis'' is an extinct genus of large, predatory bird that inhabited what is now modern-day Cuba before going extinct at the end of the Pleistocene epoch. The sole species, ''Oscaravis olsoni'' (also known as the Cuban teratorn), was previously assigned to the genus ''Teratornis''. However, it has recently been granted a new genus due to its ecological isolation from others in the teratorn family, as well as differences in size and possibly behavior. Although no exact measurements can be stated, due to recent archaeological findings and the comparison of ''Oscaravis'' bone lengths with that of other teratorns, it has been concluded ''Oscaravis'' would have been larger than '' Taubatornis'' but smaller than '' Cathartornis''. Ecology ''Oscaravis'' was most prominently located in modern-day Cuba, as well as the outlying islands at the time. Due to their massive size and wingspan, it was believed that many members of the family Teratornithidae, especially ''Oscaravis'', could ...
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Teratornis Merriami
''Teratornis'' (Greek: "wonder" (teratos), "bird" (ornis)) is an extinct genus of huge North American bird of prey, birds of prey—the best-known of the teratorns—of which, two species are known to have existed: ''Teratornis merriami'' and ''Teratornis woodburnensis''. A large number of fossil and subfossil bones, representing more than 100 individuals, have been found in locations in California, Oregon, southern Nevada, Arizona, and Florida, though most are from the Californian La Brea Tar Pits. All remains except one Early Pleistocene partial skeleton from the Leisey Shell Pit near Charlotte Harbor, Florida (which may represent a different species or a subspecies) date from the Late Pleistocene, with the youngest remains dating from the Pleistocene–Holocene boundary. Taxonomy * ''Teratornis merriami''. This is by far the best-known and most commonly found species. Up to a hundred specimens have been found, mostly from the La Brea Tar Pits. It stood about 75 cm (29.5 ...
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Teratornis
''Teratornis'' (Greek: "wonder" (teratos), "bird" (ornis)) is an extinct genus of huge North American birds of prey—the best-known of the teratorns—of which, two species are known to have existed: ''Teratornis merriami'' and ''Teratornis woodburnensis''. A large number of fossil and subfossil bones, representing more than 100 individuals, have been found in locations in California, Oregon, southern Nevada, Arizona, and Florida, though most are from the Californian La Brea Tar Pits. All remains except one Early Pleistocene partial skeleton from the Leisey Shell Pit near Charlotte Harbor, Florida (which may represent a different species or a subspecies) date from the Late Pleistocene, with the youngest remains dating from the Pleistocene–Holocene boundary. Taxonomy * ''Teratornis merriami''. This is by far the best-known and most commonly found species. Up to a hundred specimens have been found, mostly from the La Brea Tar Pits. It stood about 75 cm (29.5 in) ta ...
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Taubatornis
''Taubatornis'' is an extinct genus of teratorn from the Late Oligocene to Early Miocene (Deseadan) Tremembé Formation, in the Taubaté Basin, São Paulo state, Brazil. The type species is ''T. campbelli''.''Taubatornis''
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Fossilworks Fossilworks was a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was cr ...
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It is the oldest known member of the family, about 25 million years old. The presence of a member of this family with this age supports the hypothesis of a South Americ ...
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Cathartornis
''Cathartornis'' ("'' Cathartes'' Bird") is an ancient bird of the Teratornithidae family. It lived somewhere between 23 million years (Miocene Epoch) and 10,000 years (Pleistocene Epoch) ago. The only evidence of the bird's existence is a few bones. Its remains were documented in 1910. ''Cathartornis'' was described on the basis of 2 tarsometatarsi, 1 complete and 1 containing only the distal end, recovered from the Pleistocene La Brea Tar Pits in Southern California. Since then, no other fossils have officially been referred to the taxon, though some fossils assigned to ''Teratornis ''Teratornis'' (Greek: "wonder" (teratos), "bird" (ornis)) is an extinct genus of huge North American birds of prey—the best-known of the teratorns—of which, two species are known to have existed: ''Teratornis merriami'' and ''Teratornis woo ...'' could be from ''Cathartornis'' and unpublished remains have been mentioned.Campbell, K. E., & Stenger, A. T. (2002). A new teratorn (Aves; Terator ...
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New World Vulture
Cathartidae, known commonly as New World vultures or condors, are a family (biology), family of birds of prey consisting of seven extant species in five genus, genera. It includes five extant vultures and two extant condors found in the Americas. They are known as "New World" vultures to distinguish them from Old World vultures, with which the Cathartidae does not form a single clade despite the two being similar in appearance and behavior as a result of convergent evolution. Like other vultures, New World vultures are scavengers, having evolved to feed off of the wikt:carcass, carcasses of dead animals without any notable ill effects. Some species of New World vulture have a good sense of smell, whereas Old World vultures find carcasses exclusively by sight. Other adaptations shared by both Old and New World vultures include a bald head (anatomy), head, devoid of feathers which helps prevent rotting matter from accumulating while feeding, and an extremely disease-resistant digest ...
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Cathartidae
Cathartidae, known commonly as New World vultures or condors, are a family of birds of prey consisting of seven extant species in five genera. It includes five extant vultures and two extant condors found in the Americas. They are known as "New World" vultures to distinguish them from Old World vultures, with which the Cathartidae does not form a single clade despite the two being similar in appearance and behavior as a result of convergent evolution. Like other vultures, New World vultures are scavengers, having evolved to feed off of the carcasses of dead animals without any notable ill effects. Some species of New World vulture have a good sense of smell, whereas Old World vultures find carcasses exclusively by sight. Other adaptations shared by both Old and New World vultures include a bald head, devoid of feathers which helps prevent rotting matter from accumulating while feeding, and an extremely disease-resistant digestive system to protect against dangerous pathogens fo ...
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Condor
Condor is the common name for two species of New World vultures, each in a monotypic genus. The name derives from the Quechua language, Quechua ''kuntur''. They are the largest flying land birds in the Western Hemisphere. One species, the Andean condor (''Vultur gryphus''), inhabits the Andean mountains. The other, the California condor (''Gymnogyps californianus''), is currently restricted to the Pacific Coast Ranges, western coastal mountains of the contiguous United States and Mexico, as well as the northern desert mountains of Arizona. Taxonomy Condors are part of the family Cathartidae, which contains the New World vultures, whereas the 15 species of Old World vultures are in the family Accipitridae, which also includes hawks, eagles, and Kite (bird), kites. The New World and Old World vultures evolved from different ancestors. They both are carrion-eaters and the two groups are similar in appearance due to convergent evolution. Description Condors are very large, broa ...
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Taubaté Basin
Taubaté is a medium-sized city in the state of São Paulo (state), São Paulo, in southeastern Brazil. History Taubaté was part of the ancient Tupinambá people, Tupinambá Territory, along the Paraíba do Sul, Paraíba do Sul River. The Tupinambá Territory in the 16th century, stretched from the Juqueriquerê River on the shores of Caraguatatuba to the Cape of Saint Thomas (Cabo de São Tomé) in the State of Rio de Janeiro. The first village was created in 1640 being proclaimed as an autonomous locality on December 5, 1645, by a pioneer named Jacques Felix. It was the first location in the Paraíba Valley, Vale do Paraíba region to obtain autonomy. The locality got its current city status in 1842, by which time it was a coffee production center. It hosted Taubaté Agreement, Taubaté's Agreement in 1906. In 1908 the city was made the seat of the Roman Catholic Diocese of Taubaté. In 1900 it was the largest city in the interior of São Paulo. The county name comes from ...
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International Business Times
The ''International Business Times'' is an American online newspaper that publishes five national editions in four languages. The publication, sometimes called ''IBTimes'' or ''IBT'', offers news, opinion and editorial commentary on business and commerce. IBT is one of the world's largest online news sources, receiving forty million unique visitors each month. Its 2013 revenues were around $21 million. IBTimes editions include Australia, India, International, Singapore, United Kingdom, U.K. and United States, U.S. ''IBTimes'' was launched in 2005; it is owned by IBT Media, and was founded by Etienne Uzac and Johnathan Davis (businessman), Johnathan Davis, two followers of David Jang who also has a relationship to IBT and Newsweek. Its headquarters are in the Financial District, Manhattan, Financial District of Lower Manhattan, New York City. In 2013, it bought the struggling Newsweek magazine from Barry Diller. In 2018, IBT spun out Newsweek as an independent entity co-owned by ...
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